mendaciousness

noun

Definition of mendaciousnessnext
as in deceit
the tendency to tell lies her memoirs have such an air of pervasive mendaciousness that she seems to have lost all sense of what truth is

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Example Sentences

Recent Examples of Synonyms for mendaciousness
  1. deceit
  2. deceitfulness
Noun
  • The state alleges OpenAI's rapid success stems from deceit and exploitation, causing widespread harm to Floridians and subverting public order.
    — Lance Eliot, Forbes.com, 19 Aug. 2026
  • Following the pandemic and resurgence of fascism and brutal deceits, and picking up on the discussions of shame found in My 1980s Gayboy Playlist, Ashby has now focused on indignity and intolerance.
    — Literary Hub, Literary Hub, 13 Aug. 2026
Definition of deceit
Noun
  • Antisocial personality includes a persistent pattern of traits such as callousness, lack of concern, deceitfulness, and irresponsibility, Ryan said.
    — Harriet Ramos, Fort Worth Star-Telegram, 29 Apr. 2026
  • Perfidy — from the French perfidie via the Latin perfidia — means deceitfulness, treachery or a breach of faith or promise.
    — Harmeet Kaur, CNN Money, 21 Jan. 2026
Definition of deceitfulness
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.

Browse Nearby Words

mendaciously
mendaciousness
mendacities
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Cite this Entry

“Mendaciousness.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/mendaciousness. Accessed 24 Aug. 2026.

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